
RuneScape and OSRS RPGs information.
RuneScape API is a free Games & Comics API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.
Application programming interfaces, or APIs, are what developers, fansite operators, and bots use to retrieve information about the game and the wiki.
Details from runescape.wiki.

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Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.
The RuneScape API is provided by RuneScape Wiki (runescape.wiki). Application programming interfaces, or APIs, are what developers, fansite operators, and bots use to retrieve information about the game and the wiki.
Yes. The RuneScape API is listed in the Games & Comics category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.
No. The RuneScape API requires no authentication, so you can start making requests without signing up.
Not directly. The RuneScape API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.
Yes. The RuneScape API is served over HTTPS, so it's safe to use in production.